2015 Ram 1500 · symptom sheet
Engine overheats or leaks coolant
- 28owner reports
- 75,000median miles
- 0involved a crash
Newest report Aug 24, 2026 · checked Oct 2, 2026
392 of the 1,449 complaints on this car are about the engine. 28 of those describe overheating.
Tick what matches of 28 reports
Overheating on other 1500 years
Report counts are for each model year on its own, so a newer car has had less time to collect them. Model years with too few reports of it for a sheet: 2014, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.
What this problem usually is
Most owners in this group notice the coolant before they notice the heat: a reservoir that keeps dropping, a sweet smell, or a bright puddle under the front of the car. Across the vehicles on this site, about four in five of these complaints mention coolant, a leak or a puddle, and roughly two in five mention the temperature gauge or overheating.
What got replaced
Owners who name the part that was replaced mention the coolant hose or reservoir (6 reports).
Recalls and investigations
3 recalls on the engine cover the 2015 model year. A recall on the same system isn't always the same failure, so read the defect text.
The crankshaft position sensor tone wheel may delaminate, causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
The Exhaust Gas Recirculation (EGR) cooler may crack and allow pre-heated vaporized coolant to enter the EGR system. This mixture may combust inside the intake manifold.
All 18 recalls on the 2015 Ram 1500, with the owner complaints on each recalled system
When it happens
The middle half of failures fell between 42,500 and 95,000 miles, from the 22 reports that gave a mileage.
Is this a known problem?
The manufacturer has sent NHTSA 5 service bulletins or notices for the 2015 Ram 1500 that deal with this problem. Newest first.
Federal rules make a manufacturer send NHTSA a copy of any notice about a defect that goes to more than one dealer or owner. Most of these are service bulletins, the repair instructions manufacturers send to dealers. NHTSA generally leaves safety recall bulletins out of this file, and recalls are listed separately.
Water Quality When Mixed With Engine Coolant
Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
Water Pump Dealers are replacing water pumps because of a coolant leak. Water pumps are found TNF but the water pump bypass o-ring was pinched resulting in a coolant leak that looks like a failed pump.
Radiator If vehicle comes in for transmission fluid leaking from trans-oil cooler fittings on the radiator, please check the following before replacing the radiator/cooler:~ 1.
1 more on the 2015 Ram 1500 page.
What owners wrote
“I just looked up that some of the Ram 1500 (2015) models are also in the recall on the Three way coolant valve.I have now purchased Four (4) replacement parts for this ongoing issue. Also replaced my engine. What to do?”
Filed Apr 20, 2025
“Engine coolant leak at the back of the engine, coming from the turbo coolant hose. My truck is in the year range for the recall, and is leaking bad. Recall said could cause fires.”
Filed Feb 9, 2025
Should you keep driving it?
This page can't tell you that. 0 of 28 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.
File your own report with NHTSA. Complaint counts are how a problem gets an investigation. How reports land on this sheet.
Guide Which lights mean pull over now? Warning lights by color and urgency
Other problems on this car
- Power steering cuts out or goes heavy 251 reports
- Engine stalls or loses power while driving 172 reports
- Brakes grind, pulse or wear early 154 reports
- Check engine light or misfire 119 reports
- Diesel fuel system or injector problems 66 reports
- Airbag warning light or recall 61 reports
- Suspension noise, struts or alignment 56 reports
- Vehicle fire 56 reports
- Fuel pump failure 46 reports
- Engine failure, knocking or rod bearing 44 reports
- Delay or no response when I press the gas 34 reports
- Engine rattles or ticks 32 reports
- Turbo failure or loss of boost 25 reports